| Flood Impacts |
| 79.3 | Water will reach the elevation of the instrument shelter in the USGS well house. Extensive flooding will occur along the all reaches of the river. |
| 76.5 | Water will reach the floor in the USGS well house. Extensive flooding will continue along both banks of the river. |
| 75.5 | Flood waters will reach within eight inches of the floor in the lockmasters residence. Extensive flooding can be expected along both banks of the river. |
| 65.0 | Water will approach the road in front of the lockmasters residence. Extensive lowland flooding will occur along the left bank with minor flooding along the right bank. |
| 52.0 | Extensive flooding will occur along the left bank of the river. Water levels will reach the door sill of the USGS well house. |
| 50.0 | Extensive lowland flooding will occur along the left bank of the river. |
| 45.0 | Flood waters will affect areas along the left bank of the river with some minor overflow along the right bank. |
| 42.0 | Water levels will top the navigational lock. Operations stop and the equipment must be removed. Minor flooding will occur on land adjacent to the left bank of the river. |
